in a cap (7) removable ausgef & t.; hrt is characterized the cap (7) with a rotating mantelwand (8) or mantelwandabschnitten in or & t.; on the seitenw & auml; nde (2) 3, 4) of the go & auml; uses (1) one or aufsetzbar, & ndash; that the cap a l & auml; ngs...